Richard P. Spillane

TRANSACTION-AWARE TABLE PLACEMENT

Embedded reference counts for file clones

Embedded reference counts for file clones

File service auto-remediation in storage systems

Lockless method for writing updated versions of a configuration data file for a distributed file system using directory renaming

System and method of a highly concurrent cache replacement algorithm

Scale out chunk store to multiple nodes to allow concurrent deduplication

Organize chunk store to preserve locality of hash values and reference counts for deduplication

Small in-memory cache to speed up chunk store operation for deduplication

Fast algorithm to find file system difference for deduplication

Probabilistic algorithm to check whether a file is unique for deduplication

Efficient garbage collection of variable size chunking deduplication

Read iterator for pre-fetching nodes of a B-tree into memory

Bulk-load for B-trees

CPU-efficient cache replacment with two-phase eviction

System and methods of zero-copy data path among user level processes

Trading off cache space and write amplification for B-trees

Systems and methods for performing scalable Log-Structured Merge (LSM) tree compaction using sharding

Bounding cost of flushes in buffer trees

Balancing write amplification and space amplification in buffer trees

Reducing write amplification in buffer trees

Large range lookups for B-tree

Optimal snapshot deletion

Reduced bandwidth queries in B e-trees using approximate membership query data structures

Proactive splitting and merging of nodes in a B-tree

Optimizing operations on b e-trees stored on solid state media

Range lookup operations for B-trees using update messages

System and method for managing transactions for multiple data store nodes without a central log

System and method of using in-memory replicated object to support file services wherein file server converts request to block I/O command of file handle, replicating said block I/O command across plural distributed storage module and performing said block I/O command by local storage module

Mirrored write ahead logs for data storage system

System and method for managing storage transaction requests

Auto-tuned write-optimized key-value store

Write-optimized nested trees

File system that supports both case sensitive and case insensitive directory lookup

Multiple data storage management with reduced latency

Management of B-tree leaf nodes with variable size values

System and method of supporting user level file system transactions using batch rename and file clones

Locking and traversal methods for ordered tree data structures